biofilm

noun

bio·​film ˌbi-(ˌ)ō-ˈfilm How to pronounce biofilm (audio)
: a thin usually resistant layer of microorganisms (such as bacteria) that form on and coat various surfaces

Examples of biofilm in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Researchers from the university studied samples of biofilms – the glue-like communities of microorganisms attached to a surface – from 34 toothbrushes and 92 showerheads to reach their conclusions, which were published Wednesday in the journal Frontiers in Microbiomes. Issy Ronald, CNN, 9 Oct. 2024 The microbes form biofilms, an extra layer of cells, around themselves for protection. George Petras, USA TODAY, 21 Sep. 2024 In this way, bacteria can sense the presence of others and regulate their behavior accordingly, such as becoming bioluminescent or forming biofilms when their density reaches a certain critical level. The Physics Arxiv Blog, Discover Magazine, 17 Sep. 2024 But when there’s a massive biofilm growing, that is a problem. Chris Gallagher, USA TODAY, 31 July 2024 See all Example Sentences for biofilm 

Word History

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of biofilm was in 1975

Dictionary Entries Near biofilm

Cite this Entry

“Biofilm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biofilm. Accessed 17 Nov. 2024.

Medical Definition

biofilm

noun
bio·​film ˈbī-ō-ˌfilm How to pronounce biofilm (audio)
: a thin usually resistant layer of microorganisms (as bacteria) that form on and coat various surfaces (as of catheters or water pipes)
Last Updated: - Updated example sentences
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